code: def forward(self, x):
      x = self.forward_features(x)
      x = x[:, : self.seqlen]
      return x.transpose([0, 2, 1]).unsqueeze(2)
  
file_path: PaddleOCR/ppocr/modeling/backbones/rec_vitstr.py
imports: import numpy
  import paddle
  import paddle.nn
  from ppocr.modeling.backbones.rec_svtrnet import Block, PatchEmbed, zeros_, trunc_normal_, ones_
label_desc: Use image node_id 4 for calling the ViTSTR obj's underlying member method code with example usage: obj.forward(x) and returns: x